Question

China rose is which type of indicator? (1) Acid indicator (2) Base indicator (3) Natural indicator (4) None of the above

• A. Acid indicator
• B. Base indicator
• C. Natural indicator
• D. None of the above

Answer 1

The correct option is C

Natural indicator

Explanation of the correct answer:

The correct answer is option C:

• A natural indication called a China rose is made by soaking a few of its petals for a few hours in warm water.
• To determine whether a chemical is an acid or a basic, a red solution is employed as an indication.
• Acidic solutions turn dark pink when in contact with China roses, whereas basic solutions turn acidic solutions green. and exhibits no change in color for neutral solutions.
• A natural indicator called China rose is used to determine if a solution is acidic or basic.

Explanation of the incorrect answers:

Options A, B, and D:

1. China rose is a natural indicator.
2. Thus, these options are incorrect.

Hence, option C is correct, i.e., Natural indicator.